frederiksbergnu.dk is a .dk domain served by 2 nameservers (mack.ns.cloudflare.com, opal.ns.cloudflare.com). It was registered on 16 October 2026 (WHOIS) and first appeared in the .dk zone on 17 October 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves frederiksbergnu.dk: no address www.frederiksbergnu.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2418052241 |
| Primary NS (MNAME) | mack.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Dynadot LLC |
| Registered | 2026-10-16 |
| Expires | 2027-10-15 (357d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 00:19:31 shown | 1882ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-20 21:36:41 | 2178ms | 2 NS 3 A 0 MX | 🔓 Insecure |
| 2026-10-19 09:25:54 | 287ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 09:03:54 | 228ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 08:38:20 | 645ms | 1 NS 0 A 0 MX | ❓ Unknown |